This is one of the best books I've ever read. It's a quick read, and is great to re-read as a reference/fortifier (stay on the program). It's such a simple book, I wonder why it's not available for Kindle or Nook by now. It looks like they're coming out with a new edition in January (paperback), but still no e-book listed. Ugh!
By the way, the book is currently $8.83 here on Amazon as a bargain book. Buy it! You won't regret it. Great book. Great price.